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https://www.readbyqxmd.com/read/28342427/spectroscopic-studies-of-the-interaction-mechanisms-between-mono-caffeoylquinic-acids-and-transferrin
#1
Yanqing Guan, Jing Dong, Shizhong Chen, Meixian Liu, Daidong Wang, Xiaotian Zhang, Hong Wang, Zongtao Lin
Transferrin (Tf) is an important protein responsible for circulating and transporting iron into cytoplasm. Tf can be taken into cells through endocytosis mediated by Tf receptor, which usually overexpresses in cancer cells. The Tf-Tf receptor pathway opens a possible avenue for novel targeted cancer therapy by utilizing Tf-binding active compounds. Among which, anti-cancer active caffeoylquinic acids (CQAs) were recently found to be promising Tf-binders by our group. For better understanding the anti-cancer activities of CQAs, it is important to unveil the binding mechanisms between CQAs and Tf...
March 7, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28340445/an-updated-meta-analysis-short-term-therapeutic-effects-of-repeated-transcranial-magnetic-stimulation-in-treating-obsessive-compulsive-disorder
#2
REVIEW
Dong-Dong Zhou, Wo Wang, Gao-Mao Wang, Da-Qi Li, Li Kuang
BACKGROUND: This study was conducted to evaluate the short-term therapeutic effects of using repeated transcranial magnetic stimulation (rTMS) to treat obsessive-compulsive disorder (OCD) and to examine potential influencing factors. METHOD: We searched the PubMed, EMBASE, CENTRAL, Wanfang, CNKI, and Sinomed databases on September 18, 2016 and reviewed the references of previous meta-analyses. Sham-controlled, randomized clinical trials using rTMS to treat OCD were included...
March 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28339860/outcomes-with-single-coil-versus-dual-coil-implantable-cardioverter-defibrillators-a-meta-analysis
#3
Nicholas Sunderland, Amit Kaura, Francis Murgatroyd, Para Dhillon, Paul A Scott
Aims: Dual-coil implantable cardioverter defibrillator (ICD) leads have traditionally been used over single-coil leads due to concerns regarding high defibrillation thresholds (DFT) and consequent poor shock efficacy. However, accumulating evidence suggests that this position may be unfounded and that dual-coil leads may also be associated with higher complication rates during lead extraction. This meta-analysis collates data comparing dual- and single-coil ICD leads. Methods and results: Electronic databases were systematically searched for randomized controlled trials (RCT) and non-randomized studies comparing single-coil and dual-coil leads...
February 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339790/does-systemic-administration-of-casein-phosphopeptides-affect-orthodontic-movement-and-root-resorption-in-rats
#4
Lachlan Crowther, Gang Shen, Mohammed Almuzian, Allan Jones, William Walsh, Rema Oliver, Peter Petocz, Nour E Tarraf, M Ali Darendeliler
Objectives: To assess the potential effects of casein phosphopeptides (CPPs) on orthodontically induced iatrogenic root resorption (OIIRR) and orthodontic teeth movement. Materials and methods: Forty Wistar rats (aged 11 weeks) were randomly divided into experimental group (EG; n = 20) that received a diet supplemented with CPP and control group (CG; n = 20) devoid of diet supplement. A 150 g force was applied using nickel titanium (NiTi) coil that was bonded on maxillary incisors and extended unilaterally to a maxillary first molar...
January 25, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28339758/safety-and-efficacy-of-the-new-bidirectional-rotational-evolution%C3%A2-mechanical-lead-extraction-sheath-results-from-a-multicentre-italian-registry
#5
Patrizio Mazzone, Federico Migliore, Emanuele Bertaglia, Domenico Facchin, Elisabetta Daleffe, Vittorio Calzolari, Martino Crosato, Francesco Melillo, Francesco Peruzza, Alessandra Marzi, Nicoleta Sora, Paolo Della Bella
Aims: The aim of this prospective multicentre study is to evaluate safety and efficacy of the new bidirectional rotational mechanical lead extraction (LE) sheath (Evolution RL, Cook Medical, USA) in chronically implanted leads (>1-year-old leads). Methods and results: Between September 2013 and June 2016, a total of 238 leads in 124 consecutive patients were removed by using the new Evolution RL rotational mechanical sheath. Indications for LE were cardiac device infection in 63 (50...
February 23, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339613/a-nonsense-mutation-in-ccdc62-gene-is-responsible-for-spermiogenesis-defects-and-male-infertility-in-repro29-repro29-mice%C3%A2
#6
Yuchi Li, Cailing Li, Shouren Lin, Bo Yang, Weiren Huang, Hanwei Wu, Yuanbin Chen, Lihua Yang, Manling Luo, Huan Guo, Jianbo Chen, Tiantian Wang, Qian Ma, Yanli Gu, Lisha Mou, Zhimao Jiang, Jun Xia, Yaoting Gui
Phenotype-driven mutagenesis is an unbiased method to identify novel genes involved in spermatogenesis and other reproductive processes. Male repro29/repro29 mice generated by the Reproductive Genomics Program at the Jackson Laboratory were infertile with deformed sperm and poor motility. Using selected exonic capture and massively parallel sequencing technologies, we identified a nonsense mutation in the exon 6 of coiled-coil domain-containing 62 gene (Ccdc62), which results in a formation of a premature stop codon and a truncated protein...
January 28, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339580/the-integration-of-orthodontic-miniscrews-under-mechanical-loading-a-pre-clinical-study-in-rabbit
#7
B Giuliano Maino, Alberto Di Blasio, Davide Spadoni, Francesca Ravanetti, Carlo Galli, Antonio Cacchioli, Christos Katsaros, Mauro Gandolfini
Introduction: Orthodontic miniscrews are an increasingly popular choice to achieve absolute anchorage. The temporary use of miniscrews and their recent introduction have limited the debate over the biological aspect of the materials to that of the surface that permeates the field of dental implants. The aim of the present study was to investigate the integration of grade 5 titanium mini-implants with machined or sand blasted acid etched surface (SAE) under mechanical load in a rabbit tibia model of implant integration...
January 18, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28339541/vitamin-d-suppresses-oxidative-stress-induced-microparticle-release-by-human-umbilical-vein-endothelial-cells
#8
Xiuyue Jia, Jie Xu, Yang Gu, Xin Gu, Weimin Li, Yuping Wang
Endothelial microparticle (MP) release was increased in numerous cardiovascular diseases including preeclampsia. Oxidative stress is a potent inducer of endothelial dysfunction. In this study, we aimed to investigate if vitamin D could protect endothelial cells (ECs) from MP release induced by oxidative stress. Endothelial cell (from human umbilical vein) oxidative stress was induced by cultivation of cells under lowered oxygen condition (2%O2) for 48 h and cells cultured under standard condition (21%O2) served as control...
December 27, 2016: Biology of Reproduction
https://www.readbyqxmd.com/read/28338244/photoalignment-of-vertically-oriented-microphase-separated-lamellae-in-lc-lc-diblock-copolymer-thin-film
#9
Koichiro Beppu, Yuki Nagashima, Mituo Hara, Shusaku Nagano, Takahiro Seki
The microphase separation and photoalignment behavior of a diblock copolymer consisting of two kinds of side chain liquid crystalline (LC) polymers are investigated. Here, the mesogens of photoresponsive azobenzene and non-photoresponsive cyanobiphenyl are introduced in the side chains. The azobenzene and cyanobiphenyl mesogens orient homeotropically and planarly, respectively, in a thin film state. The combination of these contrasting orienting properties leads to a formation of vertically oriented lamella in the microphase separation structure...
March 24, 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/28336771/dimerization-in-lbd16-and-lbd18-transcription-factors-is-critical-for-lateral-root-formation
#10
Han Woo Lee, Na Young Kang, Shashank Pandey, Chuloh Cho, Sung Haeng Lee, Jungmook Kim
LATERAL ORGAN BOUNDARIES (LOB) DOMAIN (LBD)/ASYMMETRIC LEAVES2-LIKE (ASL)s (hereafter referred to as LBD) are plant-specific transcription factors that play important roles in a plethora of plant growth and development. The leucine-zipper-like coiled-coil motif in the LOB domain of the class I LBD proteins has been proposed to mediate protein dimerization, but it has not been experimentally assessed yet. LBD16 and LBD18 have been well characterized to play important roles in lateral root development in Arabidopsis...
March 23, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28336587/draft-genome-sequence-of-propionibacterium-avidum-strain-ucd-pd2-isolated-from-a-feline-anal-sac
#11
Petra A Dahms, Alexandra L Martin, Holly H Ganz, Jonathan A Eisen, David A Coil
Here, we present the draft genome sequence of Propionibacterium (Cutibacterium) avidum strain UCD-PD2. The assembly contains 2,667,287 bp in 51 contigs. The strain was isolated from anal sac secretion samples collected from a feral domestic cat (Felis catus) as part of a larger project to study the microbiology of cats.
March 23, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28336437/overexpression-of-tacc3-is-correlated-with-tumor-aggressiveness-and-poor-prognosis-in-prostate-cancer
#12
Qiji Li, Liping Ye, Wei Guo, Min Wang, Shuai Huang, Xinsheng Peng
Transforming acidic coiled-coil (TACC3), a member of the TACC family, was previously reported to be deregulated in various cancers and identified to be involved in the tumor progression. However, its biological role and molecular mechanism in prostate cancer (PCa) have not been defined. Herein, we found that TACC3 was markedly upregulated in metastatic PCa. Upregulation of TACC3 was significantly associated with metastasis status, tumor stage, total PSA level, and Gleason score in PCa patients. Moreover, Kaplan-Meier survival analysis showed that PCa patients with high TACC3 had shorter disease-free survivals than those with low TACC3 expression...
March 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28336427/high-resolution-anatomical-and-quantitative-mri-of-the-entire-human-occipital-lobe-ex-vivo-at-9-4t
#13
S Sengupta, F J Fritz, R L Harms, S Hildebrand, D H Y Tse, B A Poser, R Goebel, A Roebroeck
Several magnetic resonance imaging (MRI) contrasts are sensitive to myelin content in gray matter in vivo which has ignited ambitions of MRI-based in vivo cortical histology. Ultra-high field (UHF) MRI, at fields of 7T and beyond, is crucial to provide the resolution and contrast needed to sample contrasts over the depth of the cortex and get closer to layer resolved imaging. Ex vivo MRI of human post mortem samples is an important stepping stone to investigate MRI contrast in the cortex, validate it against histology techniques applied in situ to the same tissue, and investigate the resolutions needed to translate ex vivo findings to in vivo UHF MRI...
March 20, 2017: NeuroImage
https://www.readbyqxmd.com/read/28336426/sar-simulations-safety
#14
Thomas M Fiedler, Mark E Ladd, Andreas K Bitz
At ultra-high fields, the assessment of radiofrequency (RF) safety presents several new challenges compared to low-field systems. Multi-channel RF transmit coils in combination with parallel transmit techniques produce time-dependent and spatially varying power loss densities in the tissue. Further, in ultra-high-field systems, localized field effects can be more pronounced due to a transition from the quasistationary to the electromagnetic field regime. Consequently, local information on the RF field is required for reliable RF safety assessment as well as for monitoring of RF exposure during MR examinations...
March 20, 2017: NeuroImage
https://www.readbyqxmd.com/read/28335399/an-eddy-current-testing-platform-system-for-pipe-defect-inspection-based-on-an-optimized-eddy-current-technique-probe-design
#15
Damhuji Rifai, Ahmed N Abdalla, Ramdan Razali, Kharudin Ali, Moneer A Faraj
The use of the eddy current technique (ECT) for the non-destructive testing of conducting materials has become increasingly important in the past few years. The use of the non-destructive ECT plays a key role in the ensuring the safety and integrity of the large industrial structures such as oil and gas pipelines. This paper introduce a novel ECT probe design integrated with the distributed ECT inspection system (DSECT) use for crack inspection on inner ferromagnetic pipes. The system consists of an array of giant magneto-resistive (GMR) sensors, a pneumatic system, a rotating magnetic field excitation source and a host PC acting as the data analysis center...
March 13, 2017: Sensors
https://www.readbyqxmd.com/read/28333076/a-passive-temperature-sensing-antenna-based-on-a-bimetal-strip-coil
#16
Xianwei Shi, Fan Yang, Shenheng Xu, Maokun Li
A passive temperature-sensing antenna is presented in this paper, which consists of a meandering dipole, a bimetal strip and a back cavity. The meandering dipole is divided into two parts: the lower feeding part and the upper radiating part, which maintain electric contact during operation. As a sensing component, a bimetal strip coil offers a twisting force to rotate the lower feeding part of the antenna when the temperature varies. As a result, the effective length of the dipole antenna changes, leading to a shift of the resonant frequency...
March 23, 2017: Sensors
https://www.readbyqxmd.com/read/28331748/diagnostic-value-of-diffusion-weighted-imaging-and-apparent-diffusion-coefficient-values-in-the-differentiation-of-breast-lesions-histpathologic-subgroups-and-correlat%C3%A4-on-with-prognost%C3%A4-c-factors-using-3-0-tesla-mr
#17
Yasin Akın, M Ümit Uğurlu, Handan Kaya, Erkin Arıbal
OBJECTIVE: The aim of this study was to evaluate the effect of the apparent diffusion coefficient (ADC) and diffusion-weighted imaging in differentiating benign from malignant breast lesions, histopathologic subtypes of breast tumors, and to find a correlation with prognostic factors using 3T MR. MATERIALS AND METHODS: A total of 165 patients aged between 16 and 78 years with 181 histopathologically-verifed breast lesions were enrolled in this study. A 3T MR system and bilateral phased array breast coil was used...
July 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28330448/ascending-cholangitis-secondary-to-migrated-embolization-coil-of-gastroduodenal-artery-pseudo-aneurysm-a-case-report
#18
Haithem Zaafouri, Anis Hasnaoui, Sonia Essghaeir, Dhafer Haddad, Meriam Sabbah, Ahmed Bouhafa, Jamel Kharrat, Anis Ben Maamer
BACKGROUND: Gastroduodenalartery (GDA) pseudo-aneurysms are very rare. Their clinical importance lies in the eventuality of rupture, causing bleeding and ultimately exsanguination. CASE PRESENTATION: We report the case of a man, with prior history of biliary surgery, presenting with haemobilia secondary to a rupture of GDA pseudo-aneurysm eroding the main bile duct. The patient was treated with coil embolization. This technique is considered to be safe. However, on the long term, some complications may occur...
March 23, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28328971/mapping-the-n-linked-glycosites-of-rice-oryza-sativa-l-germinating-embryos
#19
Jiezheng Ying, Juan Zhao, Yuxuan Hou, Yifeng Wang, Jiehua Qiu, Zhiyong Li, Xiaohong Tong, Zhaomei Shi, Jun Zhu, Jian Zhang
Germination is a key event in the angiosperm life cycle. N-glycosylation of proteins is one of the most common post-translational modifications, and has been recognized to be an important regulator of the proteome of the germinating embryo. Here, we report the first N-linked glycosites mapping of rice embryos during germination by using a hydrophilic interaction chromatography (HILIC) glycopeptides enrichment strategy associated with high accuracy mass spectrometry identification. A total of 242 glycosites from 191 unique proteins was discovered...
2017: PloS One
https://www.readbyqxmd.com/read/28328859/single-stage-nonintubated-uniportal-thoracoscopic-resection-of-synchronous-bilateral-pulmonary-nodules-after-coil-labeling-a-case-report-and-literature-review
#20
Miao Zhang, Tao Wang, You-Wei Zhang, Wen-Bin Wu, Heng Wang, Rong-Hua Xu
RATIONALE: Preoperative localization of small pulmonary nodules is essential for precise resection, besides, the optimal treatment for pulmonary nodules is controversial and the prognosis without surgery is uncertain. PATIENT CONCERNS: Herein we present a patient with compromised pulmonary function harboring synchronous triple ground-glass nodules located separately in different pulmonary lobes. DIAGNOSES: The pathological diagnosis of the nodules were chronic inflammation, inflammatory pseudotumor and atypical adenomatous hyperplasia, respectively...
March 2017: Medicine (Baltimore)
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